Gun



Jan. l1 1927.

. H. WENZEL GUN Filed May 2e, 1925 x rf patented Jan. 11, 1927.

HEINRICH WENZEL, OE BERLIN, GERMANY.

emv.

Application led May 28, 1925, Serial No. 33,516, and in Germany June G, 1924.

My invention relates to improvements in guns, and tlie object of the improvements is to provide a vgun comprising a. body part adapted to have barrels and breech mechanisms for cartridges of different calibers mounted thereon, and with this object. in view my invention consists in constructing the gun of two parts adapted to be Vreadily connected with or disconnected from each other, one of said parts comprisingv the butt, the stock, a pipe and certain other elements, and the other removable part comprising the barrel and the breech mechanism. Therefore, I am enabled to use the same body p art togetherV with removableAv parts for firing cartridges of different dimensions and qualities. For example I am enabledy to reconstruct a gun comprising a small caliber barrel and breech mechanism-into a gun vfor cartridges of larger calibers. My invention also relates to the construction and relative arrangement of certain details of the gun 'and simple means for connecting` the said main parts thereof, which parts are so connected that the oscillations of the barrel are not interfered with and a highly ecient gun is obtained. In my improved gun the vbarrel is manufactured from cast steel, and it is provided with a reinforcing sleeve carrying all the said parts required for con-I necting the exchangeable parts with the body of the gun. r

For the purpose of explaining the invention an example embodying the same 'has been shown in the accompanying drawings, in which the same reference characters have' been used in all the'views to indicate coi"-v responding parts. Insaid drawings,

Fig. 1, is a sectional elevation of the gun with a part of the barrel and the butt broken Fig. 2, is an elevation partly in section showing the removable part of the gun,

Fig. 3, is a sectional' elevation showing the body of the gun with the barrel and associate parts removed,

Fig. 4, is an elevation in section taken o the line 4 4 of Fig. 3, l

Fig. 5,' is a section taken on the line 5--5 of Fig. 2,

. Fig. 6, is an elevation part ofthe bolt, A

Fig. 7, is an elevation looking from the left in Fig. 6, and Y Fig. 8, is a sectional elevation taken on the line 8-8 of Fig. 2.

showing the front In the example shown in the drawings the body partl ofthe gun consists of the butt 13, the stock-130, a pipe 15 carried by the stock and connected therewith by a screw 131, a e0 tubular body 14 fixed to the stock 130 by means of a screw 132 and formed with an` annular shoulder 140 providing a seat for` the rearrend of the pipe 15, and a sleeve 16 iu axial alignment with the pipe 15, and carrying the rear sight 160, the front sight 161 being provided on the pipe 15. Further, the body part of the gun carries theV trigger mechanism. The tubular body 14 is provided at its front part with a bore .14e the diameter of which is equal to the outer diameter of the. barrel 1. At the median part of the said body the bore 14c thereof is enlarged in diameter to accommodate va reinforcing sleeve 2 of the barrel, and at 75 the rear of the part 14C the vbody .is formed with a chamber 14a, the4 said chamber `being boundedat its rear end by an internally directed flange 14d.. The flange Y14d is formed at opposite sides with recesses 14h, 80 as is shown in Fig. 4. The sleeve 16 is formed `at its top end wit-h an internal groove 16a. At its front end the pipe 15 contains a bushing 17 providinga support ior the front end of the barrel 1. .f f

`'Ilhe parts to be Vexchangeably mounted 'Y on the body pait so fardescribedconsist of the barrelA 1 provided with the reinforcing sleeve 2. The said sleeve is formed with a collar 2b and, at theV rear thereof, 90 with screw-threads 20, a sleeve 3 being screwed on the said screw-threads, which sleeve is formed with an elongated poition 30 of reduced diameter. To the rearend of the said reduced portion a ring 3a is litted, 95 which ring is provided with holes (not shown) for inserting a suitable-tool for screwing the .ring 3a and the'sleeve 3 on the screw-.threads 20. Between the sleeve 3 and the ring 3a a sleeve 3b is located which 100v is formed at its front end with `lateral lugs 3 corresponding to the recesses 14b'of the flange'14l. To the rear end of thereinforcing sleeve 2 a tubular member 4 providing a bolt race-way is iixed by means of pins 22 and 23,7and the said sleeve is formed with a loading aperture 4b and a nose v4a adapted for engagement with the groove 16ay of the sleeve 16. The reinforcing sleeve2 is formed at its rear end with a bottom 110 extension2` in the form of a gutter providing a support for the cartridge passed v 11is in the .position shown in through the aperture From theI said gutter Qrrthe cartridge is pushed into' the barrel by advancing the bolt 5. On the.

said bolt the usual extractor 6 is mounted,A which, after pushing the cartridge into thevl barrel, engages the iange thereof with itsX `correspond to such guns. For inserting the claw 6a, a shoulder 6b of the extractor bear'- ing on the rear face or the cartridge.V The rear end 6C oi: the extractor 6 is in the path of thev front end 8.07V of .the tiring pin 8 iixed to a slide T and actednpon by the usual spring 81. lvvhen'theiring pin is thrown forwardly` by the spring 81 its front end 8O strikes on the-rear end 6C of the extractor` so that the shoulder (Sb causes marginal ignition of thev cartridge.r The iring mechanism s'o far referred'to does not Jiorni a part of the-'invention and I deem it not necessary to .describe the same more in detail.

For assembling the gun the system com posed or the barrel 1, thereinforcing sleeve 2,/tlie` tubular, member 4 and the bolt 5 is inserted from the. rear in to the body 14, the pipe 15,.and the bushing I17, the nose 4a engaging. the groove 16a of the sleeve 16, so that rotation of the system .around the axis oi the barrel is impossible. NOWA the barrel 1 and it Iis slidably. held Within the bushing 17. Thelugs 3C ot' the sleeve 3b are passed through the,recesses 14b of the iange14d and turned through an angle or 90C. sertingthe said system the collar 2b of the reinforcing sleeve 2 bears on the shoulder 142 `of the chamber 14a. To prevent axial displacement of the system means are pro,- videdfton locking the same as against axial .displacement in the opposite, direction. which meansfconsist of the screw-threads 2O and the, sleeveJA engaging the same, the head ofthe said sleeve being turned by means of a-suitable tool so far that the lugs 3 are in. close engagement withy the shoulder 143 ofythe .chamber 14a. In the construction shown in the `drawings an -ejector may be dispensed with. When moving the bolt rearwardly th-e extension, 2, is in frictional y engagement with the bottom part ofV the Y structinglthe gutter 1n catridge, which is thereby rocked upwardly and ejected. t

In, the example shown -in the figures, the support for the cartridge, that is the gutter 251, is made` integral Wit-h the, reinforcing sleeve But I Wish it to be understood that Amyg invention is not limited to this feature, and that the said gutter may be made integral With the barrel. By cong I the manner described thetubularA Amember 4` is simple in construe tion, bec'lyuse only a concentric bore need be provided.V The. front V,part of the bolt 5K fittedon the gutter so asto provide an. effec-r tive safeguard .as against lback firing, as Will be understood from an inspection of Figs. 6 and 7. The nut 7 of the tiring pin is V'Witli'ot-lier guns of' larger caliber,

When informed at its rear With acylindrical lug adapted to be used as-a tool tor turning the, sleeve 30. In order that the removable part of the gun can be used in connection its shape, arrangement and dimensions are such as to said removable system into another gun the sleeve 30 1s unscr-eWed by means ot the afore saidy tool into the position with the lugs 3a `in alignment with the recesses 14", Where stood that my invention is not limitedto the constructionV shown in the drawings, and thatv various changes may be made. in the `ger'reral arrangement `ofthe apparatus and the construction or' its parts Withoutdepart-` ing from the invention. V Y' l Gleim:

e gun', comprising a body part and a part removably mounted thereon, said body part including the butt, the stock, a tubular body connectedy with the stock and a sleeve, and said removable part including't'he bar: relvand` the bolt racevvay removably mounted Within said tubular body and sleeve, said sleeve and kbolt raceWa-y being connected With each other for preventing rotatibnof the remoyable part. A

I 2. A gun, comprising a body partA and a part removably mounted thereon,` said body Vpart'including the butt, the stock, a tubular body secured thereto, a pipe secured'to said tubular body and provided 'at its outer vend with Iguiding -means for 'thebarreh and a sleeve'fixed to the stock atthe r'ear of said tubular body, and 'said removable. part including the barrel and af tubular member lixed thereto and botliloosely 'mounted in said pipe, tubular body, and sleeve, said bare rel being "loosely guided at its front end 'in the front 'of said pipe. I

3. A gun, comprising `a body part and a part removably mounted thereon,` said bodylpart including the butt, the stock,y a tubular body xed to said stock and formed at its rear WithV an axial chamber Vprovided at its fronthand rear Withdshoulders," and rear supporting means, and said removable part including the barrel yand a tubular memberzfixed `thereto and both removably mounted in said tubular body and rear support, said barrel carrying a lug and an axially shiftable' clamping member vdisposed Xvithinmsaid chamber and in clainpingfengagement respectively With` said, front'and rear' shoulders. Y

4. A gunfcomprising-a body part and a lar part removably mounted thereon, said body part including the butt, the stock, a tububody fixed to said stock and formed at its rear with an axial chamber provided at its front and rear With shoulders, and a rear supporting sleeve formed with an axial groove, and rear supporting means, and said removable part including the barrel and a tubular member lixed thereto and both removably mounted in said tubular body and rear support, said barrel carrying a lug and an axially shiftable clamping member disposed Within said chamber and in clamping engagement respectively With said front and rear shoulders, and said tubular member carrying a nose engaging in said groove.

5. A gun, comprising a body part and a part. removably mounted thereon, said body part being composed of the butt, the stock,`

20 a tubular body, and a sleeve, said tubular body and sleeve being secured to said stock land in axial alignment with each other,

and said removable partcomprising a barrel, a reinforcing sleeve therefor, and a tubular member xed to said sleeve and constructed for providing the bolt raceWay.

6. A gun, comprising a body part and a part removably mounted thereon, said body part being composed of the butt, the stock, a tubular body, and a sleeve, said tubular body and sleeve being securedto said stock and in axial alignment With each other, and said removable part comprising a barrel, a reinforcing sleeve therefor and a tubular member fixed to said sleeve and constructed for providing the bolt raceway, said barrel having a trough shaped rear extension dis-V posed vvithin said raceway in position for forming a support for the cartridge.

In testimony Whereon I hereunto aix my signature. i

HEINRICH WENZEL. 

